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8177962 |
Metal corrosion inhibitor and hydrogen chloride formation inhibitor in a crude oil atmospheric distillation unit
The quaternary ammonium compound described by general formula 1 below (wherein R1, R2 and R3 are the same or different hydrocarbon radicals with 1 to 4 carbon atoms, and n is an integer between 1...
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8153028 |
Anticorrosion additives for manufacturing processes, a process for preparation thereof and use thereof
The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least...
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8105505 |
Electrically conductive polymeric composite material
An electrically conductive composite consisting of Vinyl-ester (as an anti-corrosive matrix), woven carbon fibers (as the reinforcement and conductive material) and carbon black powder (as a...
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8097576 |
Composition for the protection of glassware in a dishwashing process
The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process.
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8088204 |
Synergistic combinations of chromate-free corrosion inhibitors
An anti-corrosive composition, comprising a combination of at least two of the following materials: vanadates, molybdates, tungstates, silicates, phosphates, borates, Ce cations, Y cations, La...
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8080176 |
Use of yttrium, zirconium, lanthanum, cerium, praseodymium and/or neodymium as reinforcing agent for an anticorrosion coating composition
The subject of the present invention is the use of at least one element chosen from among yttrium, zirconium, lanthanum, cerium, praseodymium and neodymium, in the form of oxides or salts, as...
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8043531 |
Surface conditioner and surface conditioning method
The invention provides a surface conditioner which can prevent an aluminum alloy from stray current corrosion in chemical conversion treatment and reduce the difference between contact and...
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8025840 |
Compositions and methods for inhibiting corrosion in aqueous media
Methods and compositions are provided for corrosion inhibition treatment of aqueous systems such as cooling water systems. The methods include conjoint use of a polyvalent metal ion, such as Al or...
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8021607 |
Methods for inhibiting corrosion in aqueous media
Methods are provided to inhibit corrosion of metals in contact with aqueous systems such as cooling water systems. In accordance with the methods, a hydroxyacid compound and orthophosphates are...
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8021474 |
Oxidation inhibition of carbon-carbon composites
A method of inhibiting oxidation of a porous carbon-carbon composite is disclosed and comprises the steps of: (a) contacting the carbon-carbon composite with an oxidation inhibiting composition...
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8012374 |
Slow-release inhibitor for corrosion control of metals
The present invention provides for a slow-release inhibitor that is applied to a metal surface, such as by way of a paint or primer coating, for corrosion control of the metal. An exemplary...
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8007689 |
Liquid composition suitable for use as a corrosion inhibitor and a method for its preparation
A liquid composition comprising a high-capacity aqueous carrier in which (i) a metalloid compound selected from the group consisting of antimony and germanium compounds and (ii) morpholine or...
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8003013 |
Waterborne corrosion-resistant coating
A waterborne thermoset cured anticorrosion formulation includes a water dispersed or emulsified phosphonated or water dispersed or emulsified sulfonated epoxy resin that is cured with a phenoxy...
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7993438 |
High temperature resistant coating compositions
An aqueous phosphoric bonding solution consists essentially of phosphoric acid, a source of magnesium ions, and a leachable corrosion inhibitor. The bonding solution is stable with respect to...
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7988775 |
White rust inhibiting composition for aluminum parts
The present invention provides an aluminum white rust inhibiting composition containing alkali metal metasilicate and alkali metal hydroxide as essential components. The composition described by...
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7972533 |
Chromate free waterborne corrosion resistant primer with non-carcinogenic corrosion inhibiting additive
A waterborne corrosion resistant primer composition is composed of a waterborne resin system; an optional curing agent; and a non-chromate containing corrosion inhibiting additive. The non-chromate...
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7968007 |
Tungstate based corrosion inhibitors
A trace amount of a tungstate added together with an ortho-phosphate and/or phosphonite is disclosed for inhibiting corrosion by a nitrogen fertilizer solution. In particular, an ammonium nitrate...
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7938346 |
Grinding method for inorganic particulate material
A method of preparing a steep particle size inorganic particulate material includes grinding an aqueous suspension of an inorganic particulate material having a solids content of less than 35% and...
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7939483 |
Water-soluble glass as corrosion protector in dishwashing machines
Water-soluble glass as corrosion protector in dishwashing machines A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up...
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7932091 |
Colorant tracer for cooling water treatment formulations
Water-based colorant traced formulations (products) containing one or more water treatment agents, such as phosphonates, polyacrylic acids and/or polymers, co-polymers, terpolymers thereof, azoles,...
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7857989 |
Metal oxides dispersant composition
This invention relates to metal oxides dispersant compositions comprising (a) certain a metal oxides dispersant, and (b) an oxime. The invention also relates to a process for dispersing metal...
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7842127 |
Corrosion inhibitor composition comprising a built-in intensifier
A corrosion inhibitor composition comprising one or more organic solvents, one or more corrosion inhibitor intermediates and about 0.1 to about 20 weight percent of one or more iodide salts...
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7833331 |
Non-toxic corrosion-protection pigments based on cobalt
Corrosion-inhibiting pigments based on cobalt are described that contain a trivalent or tetravalent cobalt/valence stabilizer complex. An inorganic or organic material is used to stabilize the...
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7828884 |
Environmentally pollution-free anti-corrosion pigment composition
The present invention provides an environmentally pollution-free, anti-corrosive pigment composition which is free of any heavy metal such as lead and/or chromium, which is free of zinc and/or...
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7789953 |
High temperature resistant coating compositions
An aqueous phosphoric bonding solution consists essentially of phosphoric acid, a source of magnesium ions, and a leachable corrosion inhibitor. The bonding solution is stable with respect to...
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7782994 |
Inhibitor of lead-induced stress corrosion cracking comprising nickel boride in secondary side of steam generator tubes in nuclear power plants and inhibition method using the same
This invention relates to an inhibitor of lead-induced stress corrosion cracking including nickel boride in the secondary side of steam generator tubes in nuclear power plants and an inhibition...
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7767111 |
Surface conditioner and method of surface conditioning
A surface conditioner contains zinc phosphate particles of D50 of 3 μm or less and has a pH of 3 to 12, and also contains at least one of (1) carboxylate group-containing copolymers obtained by ...
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7759419 |
Corrosion resistant coatings
A coating composition comprising an effective corrosion-inhibiting amount of a rare earth compound, a neutral to slightly acidic generating extender or an acidic generating extender, or...
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7741236 |
Water-soluble glass composition
A zinc and bismuth containing, water-soluble glass composition comprising from 10 to 75 mole % P2O5, 5-50 mole % alkali metal oxide, up to 40 mole % ZnO and up to 40 mole % Bi2O3.
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7691498 |
Chromate-generating corrosion inhibitor
A coating composition is disclosed that includes a binder, a tri-valent chromium solid, and a stabilized oxidizing agent. The coating composition is used in a method to protect a surface of a...
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7676017 |
Vacuum actuated anhydrous ammonia feed system for pH adjustment of boiler condensate/feed water
A vacuum actuated and sustained ammonia feed system for the pH adjustment of power plant condensate and boiler feed water is described. This system can provide a safe means of providing anhydrous...
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7662312 |
Pigment grade corrosion inhibitor host-guest compositions and procedure
A pigment grade corrosion inhibitor and a method of applying the inhibitor is disclosed. The inhibitor is comprised of a host species comprised of an inorganic compound having a layered structure...
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7641743 |
Compositions and methods for darkening and imparting corrosion-resistant properties to zinc or other active metals
Methods and compositions that serve to both darken a zinc or other active! metal surface and impart corrosion-resistant properties thereto, are disclosed. The compositions include an aqueous...
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7629023 |
Rust inhibitor
A rust inhibitor which ensures the simplicity of application typical for a coating process and can demonstrate excellent characteristics similar to those obtained with a metal spraying method. The...
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7615102 |
Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity
The invention relates to the use of compounds of formula (1) as corrosion and gas hydrate inhibitors. In said formula: R1 and R2 independently of one another represent C1 to C22 alkyl, C2 to C22...
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7601280 |
Corrosion-responsive coating formulations for protection of metal surfaces
Methods and compositions are described for protecting a metal surface against corrosion. The method involves applying to the metal surface a coating formulation that comprises a radiation curable...
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7569163 |
Polythioether amine resins and compositions comprising same
Polythioether amine resin compounds and compositions comprising the same are disclosed.
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7503381 |
Surface treatment method for flux-brazed aluminum-made heat exchanger
There is disclosed a rust prevention and hydrophilization treatment method for a flux-brazed aluminum-made heat exchanger which comprises subjecting the same to a rust prevention treatment by the...
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7491318 |
Method for prevention of corrosion by naphthenic acids in refineries
The invention relates to a method for prevention of corrosion by naphthenic acids in a refinery comprising the use of a compound of the formula HS—B—COOR, where B is a saturated bivalent 1-18 C hyd...
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7485177 |
Volatile corrosion inhibiting mixture with tracing agent
A corrosion inhibiting mixture is disclosed comprising a carrier, a volatile corrosion inhibitor and a tracing agent which absorbs light in the ultraviolet and violet region of the electromagnetic...
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7462654 |
Corrosion-resistant coating composition
The invention provides an anticorrosive surface coating composition comprising a resin system, and a hydrophobic metal oxide. The hydrophobic metal oxide is characterized by being produced via a...
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7459102 |
Supramolecular oxo-anion corrosion inhibitors
A corrosion inhibitor that includes several oxo-anion compositions useful for preventing the propagation of pit corrosion on aluminum and aluminum alloys. The oxo-anion compositions may include...
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7456142 |
Water-soluble glass as corrosion protector in dishwashing machines
A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.
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7438881 |
Anticorrosive pigments
The invention submitted concerns anticorrosive pigments of aluminum orthophosphate, their application as anticorrosive pigments in coating agents, as well as a method for their manufacturing.
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7422793 |
Non-toxic corrosion-protection rinses and seals based on rare earth elements
Rinsing or sealing solutions comprising a rare earth element and a valence stabilizer for barrier films. The treated films contain a rare earth/valence stabilizer complex. The rare earth element is...
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7407711 |
Non-toxic corrosion-protection conversion coats based on rare earth elements
Conversion coatings comprising a rare earth element and a valence stabilizer combined to form a rare earth/valence stabilizer complex are described for substrate metals. The rare earth element is...
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7402263 |
Tungstate based corrosion inhibitors
A trace amount of a tungstate is disclosed for inhibiting corrosion by nitrogen fertilizer solution, in particular, an ammonium nitrate fertilizer solution, (UAN) in contact with ferrous metal...
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7396802 |
Corrosion inhibitor/metal passivator additive composition from waste refinery streams
The reaction of the disulphided oil, as obtained from the caustic wash of liquefied petroleum gas, with 2,3,8,9,13,14-hexathia-5,6,11,12 -tetraazatricyclo [8.2.1.14,7]tetradeca-4,6,10,12-tetraene...
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7294211 |
Non-toxic corrosion-protection conversion coats based on cobalt
Conversion coatings based on cobalt are described for substrate metals such as aluminum, zinc, magnesium, titanium, cadmium, silver, copper, tin, lead, cobalt, zirconium, beryllium, or indium,...
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7291217 |
Non-toxic corrosion-protection pigments based on rare earth elements
A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium,...
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